It appears that Datahike [0] is a Datomic workalike that supports branching. I haven’t tried it out myself (yet), but the documentation suggests it’s possible [1].

That said, I’m adding xitdb to the list of tech to try out. Thank you for building it!

Oh, and thanks for linking to my article :-)

[0]: https://github.com/replikativ/datahike

[1]: https://datahike.io/notes/the-git-model-for-databases/